183. In the circuit below, the potential difference across battery $\varepsilon_2$ is $3/5$ volts. The power consumed by resistance $R$ is how many watts? [Figure: Two batteries in series branches: left branch has $1\Omega$ internal resistance and $\varepsilon_2 = 3\text{V}$, right branch has $1\Omega$ internal resistance and $\varepsilon_1 = 8\text{V}$, connected to resistors $R$ and $4R$ in series]
[(1)] $1.6$
[(2)] $2.5$
[(3)] $3.2$
[(4)] $1.5$
\textbf{183.} In the circuit below, the potential difference across battery $\varepsilon_2$ is $3/5$ volts. The power consumed by resistance $R$ is how many watts?
\textit{[Figure: Two batteries in series branches: left branch has $1\Omega$ internal resistance and $\varepsilon_2 = 3\text{V}$, right branch has $1\Omega$ internal resistance and $\varepsilon_1 = 8\text{V}$, connected to resistors $R$ and $4R$ in series]}
\begin{itemize}
\item[(1)] $1.6$
\item[(2)] $2.5$
\item[(3)] $3.2$
\item[(4)] $1.5$
\end{itemize}